(I don't own this picture. All Rights go to the owners.)

Name: Sapphire
Age: Same age as Jax
Gender: Female
Species: Human (Real Life) and Princess Doll (Digital)
Appearance: Has long blonde hair in a braid with a light purple ribbon, light blue and light green color eyes and wears a dark navy-blue classic short sleeve cotton lolita dress, white tights, mint green mary jane strap shoes, royal blue lace fingerless gloves, a gray satchel, a light purple hair bow, a light blue tiara, a silver swan pendant, light blue crystal earrings and a mint green cloak.
Personality: Kind, smart, caring, talented, brave sometimes, creative, helpful, serious sometimes, protective, clumsy sometimes, shy sometimes, graceful, silent sometimes, generous
Crush: Jax (Secret Crush)
Friends: Pomni, Ragatha, Gangle, Kinger, Zooble
Enemies: Evil creatures
Family: Unnamed parents, Unnamed grandparents
Others: Has winter and spring powers.

Sounds like Vanessa Hudgens